Coast Guard Island is an artificial island located in the Oakland Estuary between the cities of Oakland and Alameda in California.
October 23, 2025
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geographic
Geographic description of the location known as Coast Guard Island (Coast Guard Station Alameda).
Coast Guard Island is a 67-acre human-made island formed in 1913 in the Oakland Estuary between the cities of Oakland and Alameda, California.
January 01, 1913
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temporal
Geographic and historical description of the island that hosts a Coast Guard base.